Odisha Board Solutions for Chapter: Electron Emission, Exercise 1: MODEL QUESTIONS

Author:Odisha Board

Odisha Board Physics Solutions for Exercise - Odisha Board Solutions for Chapter: Electron Emission, Exercise 1: MODEL QUESTIONS

Attempt the practice questions on Chapter 18: Electron Emission, Exercise 1: MODEL QUESTIONS with hints and solutions to strengthen your understanding. Bureau's Higher Secondary Physics Class 12 solutions are prepared by Experienced Embibe Experts.

Questions from Odisha Board Solutions for Chapter: Electron Emission, Exercise 1: MODEL QUESTIONS with Hints & Solutions

MEDIUM
12th Odisha Board
IMPORTANT

On which one of the following factors, the amplification factors of a triode valve depends?

a) Temperature of the cathode b) Temperature of anode c) Supplied plate voltage d) relative positions of cathode, grid and anode.

MEDIUM
12th Odisha Board
IMPORTANT

Draw the circuit diagram for the use of a triode as an amplifier.

HARD
12th Odisha Board
IMPORTANT

Draw VI characteristics of a vacuum diode and explain the reasons for the difference in its nature in different regions.

EASY
12th Odisha Board
IMPORTANT

What do you mean by amplification and faithful amplification ?

MEDIUM
12th Odisha Board
IMPORTANT

The actual gain of a triode is less than the amplification factor. why?

EASY
12th Odisha Board
IMPORTANT

Why is control grid of a triode always held at negative potential w.r.t. cathode.

MEDIUM
12th Odisha Board
IMPORTANT

What do you understand by the term amplifier? Explain the action of a triode amplifier.

MEDIUM
12th Odisha Board
IMPORTANT

What do you mean by faithful amplification? How will you achieve it in a vacuum tube amplifier? Derive an expression for voltage gain of a triode amplifier.